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Finding the Fourth Proportional to 304,526.34, 420,244.20 and 175,417.74

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Solution

The fourth proportional to 304,526.34, 420,244.20 and 175,417.74 is: 242,075.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,526.34 : 420,244.20 = 175,417.74 : x
  2. Step 2: Convert to fraction form
    304,526.34/420,244.20 = 175,417.74/x
  3. Step 3: Cross multiply
    304,526.34x = 420,244.20 × 175,417.74
  4. Step 4: Simplify right side
    304,526.34x = 73,718,287,812.11
  5. Step 5: Solve for x
    x = 73,718,287,812.11/304,526.34
  6. Step 6: Final answer
    x = 242,075.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.