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Finding the Fourth Proportional to 359,264.70, 538,897.05 and 217,547.10

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Solution

The fourth proportional to 359,264.70, 538,897.05 and 217,547.10 is: 326,320.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,264.70 : 538,897.05 = 217,547.10 : x
  2. Step 2: Convert to fraction form
    359,264.70/538,897.05 = 217,547.10/x
  3. Step 3: Cross multiply
    359,264.70x = 538,897.05 × 217,547.10
  4. Step 4: Simplify right side
    359,264.70x = 117,235,490,426.06
  5. Step 5: Solve for x
    x = 117,235,490,426.06/359,264.70
  6. Step 6: Final answer
    x = 326,320.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.