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Finding the Fourth Proportional to 556,903.15, 768,526.68 and 302,254.34

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Solution

The fourth proportional to 556,903.15, 768,526.68 and 302,254.34 is: 417,111.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,903.15 : 768,526.68 = 302,254.34 : x
  2. Step 2: Convert to fraction form
    556,903.15/768,526.68 = 302,254.34/x
  3. Step 3: Cross multiply
    556,903.15x = 768,526.68 × 302,254.34
  4. Step 4: Simplify right side
    556,903.15x = 232,290,521,726.61
  5. Step 5: Solve for x
    x = 232,290,521,726.61/556,903.15
  6. Step 6: Final answer
    x = 417,111.17

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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.